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3795-B PEREL
2
3795-B – AUTOMATIC SUBMERSIBLE WATER PUMP FOR DIRTY WATER
Introduction
To all residents of the European Union
Important environmental information about this product
This symbol on the device or the package indicates that disposal of the device after its lifecycle could harm
the environment.
Do not dispose of the unit (or batteries) as unsorted municipal waste; it should be taken to a specialized
company for recycling.
This device should be returned to your distributor or to a local recycling service.
Respect the local environmental rules.
If in doubt, contact your local waste disposal authorities.
Thank you for choosing Perel! Please read the manual thoroughly before bringing this device into service. If the device
was damaged in transit, don't install or use it and contact your dealer.
Safety Instructions
• Damage caused by disregard of certain guidelines in this manual is not covered by the warranty and the dealer
will not accept responsibility for any ensuing defects or problems.
• Not covered by warranty: damage caused by user modifications to the device, destruction of rotating mechanical
seal by dry-running or addition of foreign bodies in water, blockage of running wheel through foreign bodies,
transport damage, damage caused by unauthorized persons.
• Keep the device away from children and unauthorised users.
Before Start-Up, Note the Following
• The pump can be connected to any shock-proof plug which has been installed according to regulations. The plug
must have a supply voltage of 230VAC~50Hz. Fuse min. 6 amp.
• Before starting to run your new submersible pump, please have the ground connection and the zero conductor
checked by an expert.
• Fault current breaker switch must comply with the safety regulations of the power plants and they must work
faultlessly.
• The electrical connections must be protected from moisture.
• If there is danger of flooding, the electrical connections must be taken to higher ground.
• Circulation of aggressive fluids as well as the circulation of abrasive materials must be avoided at all costs.
• The submersible motor-driven pump must be protected from frost.
• The pump must be protected from running dry.
• Access on the part of children should also be prevented with appropriate measures.
Consistency
Your submersible pump is designated for the circulation of water with a maximum temperature of 35°C. This pump
may not be used for any other fluids and other chemical product.
When used near swimming pools or garden ponds and in their area of protection, the pump
must be equipped with a ground-fault circuit interrupter with a nominal trip current of max.
30mA (according to VDE 0100, parts 702 and 738). Do not operate the pump when people are in
the garden or pool! Please contact your electrician!
3795-B PEREL
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Installation
The submersible motor pump can be installed as follows:
• in a stationary position with fixed pipeline;
• in a stationary position with a flexible hose pipe.
NOTE: Never install the pump by suspending it unsupported from its delivery pipe or power cable. The submersible
motor pump must be suspended from the specially provided handle or be placed on the bottom of the shaft.
To guarantee that the pump works properly, the bottom of the shaft must be kept free of sludge and dirt. If the
water level sinks too far, any sludge in the shaft will dry out quickly and stop the pump from starting up. It is
therefore necessary to check the submersible motor pump regularly (by carrying out start-up tests). The
floater is adjusted in a way that the pump can immediately be started. The pump shaft should have minimum
dimensions of 40 x 40 x 50cm so that the floating switch can move freely.
Mains Supply
Your new submersible pump is equipped with a shock-proof plug according to regulations. The pump is designed to
be connected to a 230VAC~50Hz safety socket. Make sure that the socket is sufficiently secured (min. 6A) and is in
excellent condition. Insert the plug into the socket to operate the pump.
NOTE: If the mains cable or plug suffers any damage from external action, repairs to the cable are prohibited. This
work may only be performed by a qualified electrician.
Areas of Use
This pump is used primarily as cellar pump. When installed in a shaft, this pump provides protection from flooding.
The pump can also be used wherever water has to be moved from one place to another, e.g. in the home,
agriculture, horticulture, plumbing and many other applications.
Setting to Work
After having read these instructions carefully, you can set your pump to work, reconsidering the following items:
• check if the pump rests on the ground of the shaft;
• check if the pressure cord has been attached properly;
• check the electrical connection (230VAC~50 Hz);
• check if the socket is in good condition;
• make sure that water and humidity can never come to the mains supply;
• avoid dry-running.
Setting the ON/OFF Operating Point
The ON and OFF operating point of the float switch can be set by adjusting the float switch in its latching holder.
Before putting the pump into operation, please check the following:
• The float switch must be installed so that the level of the ON operating point and the level of the OFF operating
point can be reached easily and with little force. To check this, place the pump in a vessel filled with water, raise
the float switch carefully by hand and then lower it again. As you do so, note whether the pump switches on and
off.
• Make sure that the distance between the float switch head and the latching holder is not too small. Proper
operation is not guaranteed if the gap is too small.
• When you set the float switch, make sure that it does not touch the base before the pump switches off. Caution:
risk of dry-running.
3795-B PEREL
4
Maintenance Guidelines
This submersible pump is an approved high-quality product which is subject to severe final controls. We recommend
regular inspection and maintenance to ensure long equipment life and uninterrupted operation.
• Remove the mains plug before all maintenance work.
• In the event that the pump is often transported in the course of operation, it should be cleaned out with clear water
after every use.
• In case of stationary installation, the function of the floating switch should be checked every 3 months.
• All fibrous particles which may have built up inside the pump housing should be removed with a water jet.
• Remove deposits on the floater with clear water.
Cleaning the impeller
If excessive deposits collect in the pump case you must dismantle the bottom part of the pump as follows:
• Remove the intake cage from the pump case.
• Clean the impeller with clear water.
Important! Do not put down or rest the pump on the impeller!
• Assemble in reverse order.
Troubleshooting
Problem Possible Cause Suggested Solution
Pump does not start - No mains supply
- Floater does not switch
- Check mains supply
- Bring floater in a higher position
No flow - Inlet sieve is clogged
- Pressure hose is bent
- Clean inlet sieve water jet
- Reset hose
Pump does not switch off - Floater cannot sink down - Place pump properly on shaft
ground
Insufficient flow - Inlet sieve is clogged
- Reduced pumping capacity by dirty
and abrasive water
- Clean inlet sieve
- Clean pump and replace worn out
parts
Pump switches off after short
operating period
- Thermal cut-out stops pump due to
dirty water
- Water is too hot; thermal cut-out
stops pump
- Remove mains plug, clean pump
and shaft
- Make sure the water temperature
of 35°C is not exceeded
Technical Specifications
Power Supply max. 230VAC / 50Hz
Power Consumption max. 400W
Max. Flow Rate 7000l/h
Max. Pressure 0.7 bar
Max. Height 5m
Max. Grain Size 30mm
Max. Liquid Temperature 35°C
Power Cord 3 G1.5, 10m
Velleman nv cannot be held responsible in the event of damage or injury resulted from (incorrect) use of this
device.
For more info concerning this product, please visit our website www.perel.eu.
The information in this manual is subject to change without prior notice.
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